Malicious PDF — malware analysis report

Static analysis result for SHA-256 f89253bd30f35268…

MALICIOUS

PDF

71.9 KB Created: 2020-08-29 01:51:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65c42e8a0581d2b6c4cb0293d3829f72 SHA-1: f25a3697b2a9405333f78fc076f09cf439b8dc44 SHA-256: f89253bd30f35268f52d0ba285412e14d2f07ebd1454441db106116ec093b020
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic indicating it links to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=22lr+bullet+drop+at+500+yards', which is also flagged as malicious. This suggests the primary purpose is to redirect the user to malicious infrastructure, likely for further exploitation or phishing.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/wix?keyword=22lr+bullet+drop+at+500+yards
    • https://static.usrfiles.com/ugd/b8c837_d238e8a2d67e4e41911288f40a2d4cc3.pdf
    • https://static.usrfiles.com/ugd/b8c837_17210462a724451698488763164e7bf8.pdf
    • https://static.usrfiles.com/ugd/b8c837_311c22bcd3a346988ed7ac3f2868541d.pdf
    • https://static.usrfiles.com/ugd/b8c837_5166c4a3b4b14b4d8feede66caf558f5.pdf
    • https://static.usrfiles.com/ugd/b8c837_86dd7df1111f44f0943b8e13ec3c3482.pdf
    • https://static.usrfiles.com/ugd/b8c837_e0ec9d01b5224ac2b0db595c21313d7c.pdf
    • https://static.usrfiles.com/ugd/b8c837_f233452c5c7f4ad3997400f5b8f625a5.pdf
    • https://cdn.shopify.com/s/files/1/0435/3179/6634/files/pesusugof.pdf
    • https://cdn.shopify.com/s/files/1/0430/6491/8165/files/53355317634.pdf
    • https://cdn.shopify.com/s/files/1/0428/7214/4038/files/29994593561.pdf
    • https://cdn.shopify.com/s/files/1/0433/9813/5971/files/2010_texas_franchise_tax_report_forms.pdf
    • https://cdn.shopify.com/s/files/1/0436/1987/7026/files/animaniacs_a_gigantic_adventure.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d4d3.bin
47f2ac8acf3f670b2bbfcd2887fbd553ca42197ce090da5baff516e7e9e0b448		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD4D3 5500 bytes
font_01_sfnt_off0000e78a.bin
f1a9040e383fc6c04a323ac43e94f4e2601a4ae7c0e7efc74c9062f6c045ce06		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE78A 13808 bytes

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